[MBN001063A], Technical Note, Charles Batchelor, June 18th, 1877

Item

Abstract

hotel annunciator

Author

Batchelor, Charles

Date

1877-06-18

Decade

1870-1879

Type

Technical Note

Subject

Miscellaneous technologies
Microphone and other acoustic devices

Identifier

MBN001063A

Folder Set

MBN001

Title

[MBN001063A], Technical Note, Charles Batchelor, June 18th, 1877

Microfilm ID

90:649

Rights

Thomas Edison National Historical Park

Publisher

Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University

Item sets

Cat. 1307 (1874-1878)